21919882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19891}}^1$

素因数の和:19941

約数の個数: 16

約数和(自身を含む): 35805600

約数和(自身を除く): 13885718

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19891, 39782, 377929, 576839, 755858, 1153678, 10959941, 21919882]

約数ペア:

[(1, 21919882), (2, 10959941), (19, 1153678), (29, 755858), (38, 576839), (58, 377929), (551, 39782), (1102, 19891)]